Update HEVC support status for Firefox

Author: wbsdty331

files/en-us/web/media/guides/formats/video_codecs/index.md

@@ -1038,7 +1038,7 @@ HEVC is a proprietary format and is covered by a number of patents. Licensing is
               <th scope="row">HEVC / H.265 support</th>
               <td>107</td>
               <td>18</td>
-              <td>No</td>
+              <td>120</td>
               <td>94</td>
               <td>11</td>
             </tr>
@@ -1049,7 +1049,7 @@ HEVC is a proprietary format and is covered by a number of patents. Licensing is
           <a href="https://apps.microsoft.com/detail/9nmzlz57r3t7">HEVC video extensions from the Microsoft Store</a>
           is installed, and has the same support status as Chrome on other platforms. Edge (Legacy) only supports HEVC for devices with a hardware decoder.
         </p>
-        <p>Mozilla will not support HEVC while it is encumbered by patents.</p>
+        <p>FireFox 120 initially supports HEVC decoding, and enable by default since 133 (Windows platform only), Starting from version 137 support on macOS, Linux and Windows platform aligns with the range of Edge (Chromium).</p>
         <p>Opera and other Chromium based browsers have the same support status as Chrome.</p>
         <p>Safari supports HEVC for all devices on macOS High Sierra or later.</p>
       </td>